We should wait for the controller being idle before stopping the clock. Some SDHCI controllers like the one found on TI AM62x SoCs do not work properly without it. Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> --- drivers/mci/sdhci.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/mci/sdhci.c b/drivers/mci/sdhci.c index 8c543c1b5b..6d3c695372 100644 --- a/drivers/mci/sdhci.c +++ b/drivers/mci/sdhci.c @@ -493,6 +493,8 @@ void sdhci_set_clock(struct sdhci *host, unsigned int clock, unsigned int input_ host->mci->clock = 0; + sdhci_wait_idle(host, NULL); + sdhci_write16(host, SDHCI_CLOCK_CONTROL, 0); if (clock == 0) -- 2.39.2
